/**
   *       .
   *      / \
   *     |.'.|
   *     |'.'|
   *   ,'|   |'.
   *  |,-'-|-'-.|
   *   __|_| |         _        _      _____           _
   *  | ___ \|        | |      | |    | ___ \         | |
   *  | |_/ /|__   ___| | _____| |_   | |_/ /__   ___ | |
   *  |    // _ \ / __| |/ / _ \ __|  |  __/ _ \ / _ \| |
   *  | |\ \ (_) | (__|   <  __/ |_   | | | (_) | (_) | |
   *  \_| \_\___/ \___|_|\_\___|\__|  \_|  \___/ \___/|_|
   * +---------------------------------------------------+
   * |    DECENTRALISED STAKING PROTOCOL FOR ETHEREUM    |
   * +---------------------------------------------------+
   *
   *  Rocket Pool is a first-of-its-kind Ethereum staking pool protocol, designed to
   *  be community-owned, decentralised, permissionless, & trustless.
   *
   *  For more information about Rocket Pool, visit https://rocketpool.net
   *
   *  Authored by the Rocket Pool Core Team
   *  Contributors: https://github.com/rocket-pool/rocketpool/graphs/contributors
   *  A special thanks to the Rocket Pool community for all their contributions.
   *
   */

pragma solidity >0.5.0 <0.9.0;

// SPDX-License-Identifier: GPL-3.0-only

interface AddressSetStorageInterface {
    function getCount(bytes32 _key) external view returns (uint);
    function getItem(bytes32 _key, uint _index) external view returns (address);
    function getIndexOf(bytes32 _key, address _value) external view returns (int);
    function addItem(bytes32 _key, address _value) external;
    function removeItem(bytes32 _key, address _value) external;
}

/**
   *       .
   *      / \
   *     |.'.|
   *     |'.'|
   *   ,'|   |'.
   *  |,-'-|-'-.|
   *   __|_| |         _        _      _____           _
   *  | ___ \|        | |      | |    | ___ \         | |
   *  | |_/ /|__   ___| | _____| |_   | |_/ /__   ___ | |
   *  |    // _ \ / __| |/ / _ \ __|  |  __/ _ \ / _ \| |
   *  | |\ \ (_) | (__|   <  __/ |_   | | | (_) | (_) | |
   *  \_| \_\___/ \___|_|\_\___|\__|  \_|  \___/ \___/|_|
   * +---------------------------------------------------+
   * |    DECENTRALISED STAKING PROTOCOL FOR ETHEREUM    |
   * +---------------------------------------------------+
   *
   *  Rocket Pool is a first-of-its-kind Ethereum staking pool protocol, designed to
   *  be community-owned, decentralised, permissionless, & trustless.
   *
   *  For more information about Rocket Pool, visit https://rocketpool.net
   *
   *  Authored by the Rocket Pool Core Team
   *  Contributors: https://github.com/rocket-pool/rocketpool/graphs/contributors
   *  A special thanks to the Rocket Pool community for all their contributions.
   *
   */

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (token/ERC20/IERC20.sol)

pragma solidity >0.5.0 <0.9.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

    /**
     * @dev Emitted when the allowance of a `spender` for an `owner` is set by
     * a call to {approve}. `value` is the new allowance.
     */
    event Approval(address indexed owner, address indexed spender, uint256 value);

    /**
     * @dev Returns the amount of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns the amount of tokens owned by `account`.
     */
    function balanceOf(address account) external view returns (uint256);

    /**
     * @dev Moves `amount` tokens from the caller's account to `to`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address to, uint256 amount) external returns (bool);

    /**
     * @dev Returns the remaining number of tokens that `spender` will be
     * allowed to spend on behalf of `owner` through {transferFrom}. This is
     * zero by default.
     *
     * This value changes when {approve} or {transferFrom} are called.
     */
    function allowance(address owner, address spender) external view returns (uint256);

    /**
     * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * IMPORTANT: Beware that changing an allowance with this method brings the risk
     * that someone may use both the old and the new allowance by unfortunate
     * transaction ordering. One possible solution to mitigate this race
     * condition is to first reduce the spender's allowance to 0 and set the
     * desired value afterwards:
     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
     *
     * Emits an {Approval} event.
     */
    function approve(address spender, uint256 amount) external returns (bool);

    /**
     * @dev Moves `amount` tokens from `from` to `to` using the
     * allowance mechanism. `amount` is then deducted from the caller's
     * allowance.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(address from, address to, uint256 amount) external returns (bool);
}

/**
   *       .
   *      / \
   *     |.'.|
   *     |'.'|
   *   ,'|   |'.
   *  |,-'-|-'-.|
   *   __|_| |         _        _      _____           _
   *  | ___ \|        | |      | |    | ___ \         | |
   *  | |_/ /|__   ___| | _____| |_   | |_/ /__   ___ | |
   *  |    // _ \ / __| |/ / _ \ __|  |  __/ _ \ / _ \| |
   *  | |\ \ (_) | (__|   <  __/ |_   | | | (_) | (_) | |
   *  \_| \_\___/ \___|_|\_\___|\__|  \_|  \___/ \___/|_|
   * +---------------------------------------------------+
   * |    DECENTRALISED STAKING PROTOCOL FOR ETHEREUM    |
   * +---------------------------------------------------+
   *
   *  Rocket Pool is a first-of-its-kind Ethereum staking pool protocol, designed to
   *  be community-owned, decentralised, permissionless, & trustless.
   *
   *  For more information about Rocket Pool, visit https://rocketpool.net
   *
   *  Authored by the Rocket Pool Core Team
   *  Contributors: https://github.com/rocket-pool/rocketpool/graphs/contributors
   *  A special thanks to the Rocket Pool community for all their contributions.
   *
   */

pragma solidity >0.5.0 <0.9.0;

// SPDX-License-Identifier: GPL-3.0-only

// Represents the type of deposits required by a minipool

enum MinipoolDeposit {
    None,       // Marks an invalid deposit type
    Full,       // The minipool requires 32 ETH from the node operator, 16 ETH of which will be refinanced from user deposits
    Half,       // The minipool required 16 ETH from the node operator to be matched with 16 ETH from user deposits
    Empty,      // The minipool requires 0 ETH from the node operator to be matched with 32 ETH from user deposits (trusted nodes only)
    Variable    // Indicates this minipool is of the new generation that supports a variable deposit amount
}

/**
   *       .
   *      / \
   *     |.'.|
   *     |'.'|
   *   ,'|   |'.
   *  |,-'-|-'-.|
   *   __|_| |         _        _      _____           _
   *  | ___ \|        | |      | |    | ___ \         | |
   *  | |_/ /|__   ___| | _____| |_   | |_/ /__   ___ | |
   *  |    // _ \ / __| |/ / _ \ __|  |  __/ _ \ / _ \| |
   *  | |\ \ (_) | (__|   <  __/ |_   | | | (_) | (_) | |
   *  \_| \_\___/ \___|_|\_\___|\__|  \_|  \___/ \___/|_|
   * +---------------------------------------------------+
   * |    DECENTRALISED STAKING PROTOCOL FOR ETHEREUM    |
   * +---------------------------------------------------+
   *
   *  Rocket Pool is a first-of-its-kind Ethereum staking pool protocol, designed to
   *  be community-owned, decentralised, permissionless, & trustless.
   *
   *  For more information about Rocket Pool, visit https://rocketpool.net
   *
   *  Authored by the Rocket Pool Core Team
   *  Contributors: https://github.com/rocket-pool/rocketpool/graphs/contributors
   *  A special thanks to the Rocket Pool community for all their contributions.
   *
   */

pragma solidity >0.5.0 <0.9.0;

// SPDX-License-Identifier: GPL-3.0-only

import "./MinipoolDeposit.sol";
import "./MinipoolStatus.sol";

// A struct containing all the information on-chain about a specific minipool

struct MinipoolDetails {
    bool exists;
    address minipoolAddress;
    bytes pubkey;
    MinipoolStatus status;
    uint256 statusBlock;
    uint256 statusTime;
    bool finalised;
    MinipoolDeposit depositType;
    uint256 nodeFee;
    uint256 nodeDepositBalance;
    bool nodeDepositAssigned;
    uint256 userDepositBalance;
    bool userDepositAssigned;
    uint256 userDepositAssignedTime;
    bool useLatestDelegate;
    address delegate;
    address previousDelegate;
    address effectiveDelegate;
    uint256 penaltyCount;
    uint256 penaltyRate;
    address nodeAddress;
}

/**
   *       .
   *      / \
   *     |.'.|
   *     |'.'|
   *   ,'|   |'.
   *  |,-'-|-'-.|
   *   __|_| |         _        _      _____           _
   *  | ___ \|        | |      | |    | ___ \         | |
   *  | |_/ /|__   ___| | _____| |_   | |_/ /__   ___ | |
   *  |    // _ \ / __| |/ / _ \ __|  |  __/ _ \ / _ \| |
   *  | |\ \ (_) | (__|   <  __/ |_   | | | (_) | (_) | |
   *  \_| \_\___/ \___|_|\_\___|\__|  \_|  \___/ \___/|_|
   * +---------------------------------------------------+
   * |    DECENTRALISED STAKING PROTOCOL FOR ETHEREUM    |
   * +---------------------------------------------------+
   *
   *  Rocket Pool is a first-of-its-kind Ethereum staking pool protocol, designed to
   *  be community-owned, decentralised, permissionless, & trustless.
   *
   *  For more information about Rocket Pool, visit https://rocketpool.net
   *
   *  Authored by the Rocket Pool Core Team
   *  Contributors: https://github.com/rocket-pool/rocketpool/graphs/contributors
   *  A special thanks to the Rocket Pool community for all their contributions.
   *
   */

pragma solidity >0.5.0 <0.9.0;

// SPDX-License-Identifier: GPL-3.0-only

// Represents a minipool's status within the network

enum MinipoolStatus {
    Initialised,    // The minipool has been initialised and is awaiting a deposit of user ETH
    Prelaunch,      // The minipool has enough ETH to begin staking and is awaiting launch by the node operator
    Staking,        // The minipool is currently staking
    Withdrawable,   // NO LONGER USED
    Dissolved       // The minipool has been dissolved and its user deposited ETH has been returned to the deposit pool
}

/**
   *       .
   *      / \
   *     |.'.|
   *     |'.'|
   *   ,'|   |'.
   *  |,-'-|-'-.|
   *   __|_| |         _        _      _____           _
   *  | ___ \|        | |      | |    | ___ \         | |
   *  | |_/ /|__   ___| | _____| |_   | |_/ /__   ___ | |
   *  |    // _ \ / __| |/ / _ \ __|  |  __/ _ \ / _ \| |
   *  | |\ \ (_) | (__|   <  __/ |_   | | | (_) | (_) | |
   *  \_| \_\___/ \___|_|\_\___|\__|  \_|  \___/ \___/|_|
   * +---------------------------------------------------+
   * |    DECENTRALISED STAKING PROTOCOL FOR ETHEREUM    |
   * +---------------------------------------------------+
   *
   *  Rocket Pool is a first-of-its-kind Ethereum staking pool protocol, designed to
   *  be community-owned, decentralised, permissionless, & trustless.
   *
   *  For more information about Rocket Pool, visit https://rocketpool.net
   *
   *  Authored by the Rocket Pool Core Team
   *  Contributors: https://github.com/rocket-pool/rocketpool/graphs/contributors
   *  A special thanks to the Rocket Pool community for all their contributions.
   *
   */

pragma solidity >0.5.0 <0.9.0;

// SPDX-License-Identifier: GPL-3.0-only

// A struct containing all the information on-chain about a specific node

struct NodeDetails {
    bool exists;
    uint256 registrationTime;
    string timezoneLocation;
    bool feeDistributorInitialised;
    address feeDistributorAddress;
    uint256 rewardNetwork;
    uint256 rplStake;
    uint256 effectiveRPLStake;
    uint256 minimumRPLStake;
    uint256 maximumRPLStake;
    uint256 ethMatched;
    uint256 ethMatchedLimit;
    uint256 minipoolCount;
    uint256 balanceETH;
    uint256 balanceRETH;
    uint256 balanceRPL;
    uint256 balanceOldRPL;
    uint256 depositCreditBalance;
    uint256 distributorBalanceUserETH;
    uint256 distributorBalanceNodeETH;
    address withdrawalAddress;
    address pendingWithdrawalAddress;
    bool smoothingPoolRegistrationState;
    uint256 smoothingPoolRegistrationChanged;
    address nodeAddress;
}

/**
   *       .
   *      / \
   *     |.'.|
   *     |'.'|
   *   ,'|   |'.
   *  |,-'-|-'-.|
   *   __|_| |         _        _      _____           _
   *  | ___ \|        | |      | |    | ___ \         | |
   *  | |_/ /|__   ___| | _____| |_   | |_/ /__   ___ | |
   *  |    // _ \ / __| |/ / _ \ __|  |  __/ _ \ / _ \| |
   *  | |\ \ (_) | (__|   <  __/ |_   | | | (_) | (_) | |
   *  \_| \_\___/ \___|_|\_\___|\__|  \_|  \___/ \___/|_|
   * +---------------------------------------------------+
   * |    DECENTRALISED STAKING PROTOCOL FOR ETHEREUM    |
   * +---------------------------------------------------+
   *
   *  Rocket Pool is a first-of-its-kind Ethereum staking pool protocol, designed to
   *  be community-owned, decentralised, permissionless, & trustless.
   *
   *  For more information about Rocket Pool, visit https://rocketpool.net
   *
   *  Authored by the Rocket Pool Core Team
   *  Contributors: https://github.com/rocket-pool/rocketpool/graphs/contributors
   *  A special thanks to the Rocket Pool community for all their contributions.
   *
   */

pragma solidity >0.5.0 <0.9.0;

// SPDX-License-Identifier: GPL-3.0-only

import "../interface/RocketStorageInterface.sol";

/// @title Base settings / modifiers for each contract in Rocket Pool
/// @author David Rugendyke

abstract contract RocketBase {

    // Calculate using this as the base
    uint256 constant calcBase = 1 ether;

    // Version of the contract
    uint8 public version;

    // The main storage contract where primary persistant storage is maintained
    RocketStorageInterface rocketStorage = RocketStorageInterface(address(0));


    /*** Modifiers **********************************************************/

    /**
    * @dev Throws if called by any sender that doesn't match a Rocket Pool network contract
    */
    modifier onlyLatestNetworkContract() {
        require(getBool(keccak256(abi.encodePacked("contract.exists", msg.sender))), "Invalid or outdated network contract");
        _;
    }

    /**
    * @dev Throws if called by any sender that doesn't match one of the supplied contract or is the latest version of that contract
    */
    modifier onlyLatestContract(string memory _contractName, address _contractAddress) {
        require(_contractAddress == getAddress(keccak256(abi.encodePacked("contract.address", _contractName))), "Invalid or outdated contract");
        _;
    }

    /**
    * @dev Throws if called by any sender that isn't a registered node
    */
    modifier onlyRegisteredNode(address _nodeAddress) {
        require(getBool(keccak256(abi.encodePacked("node.exists", _nodeAddress))), "Invalid node");
        _;
    }

    /**
    * @dev Throws if called by any sender that isn't a trusted node DAO member
    */
    modifier onlyTrustedNode(address _nodeAddress) {
        require(getBool(keccak256(abi.encodePacked("dao.trustednodes.", "member", _nodeAddress))), "Invalid trusted node");
        _;
    }

    /**
    * @dev Throws if called by any sender that isn't a registered minipool
    */
    modifier onlyRegisteredMinipool(address _minipoolAddress) {
        require(getBool(keccak256(abi.encodePacked("minipool.exists", _minipoolAddress))), "Invalid minipool");
        _;
    }
    

    /**
    * @dev Throws if called by any account other than a guardian account (temporary account allowed access to settings before DAO is fully enabled)
    */
    modifier onlyGuardian() {
        require(msg.sender == rocketStorage.getGuardian(), "Account is not a temporary guardian");
        _;
    }




    /*** Methods **********************************************************/

    /// @dev Set the main Rocket Storage address
    constructor(RocketStorageInterface _rocketStorageAddress) {
        // Update the contract address
        rocketStorage = RocketStorageInterface(_rocketStorageAddress);
    }


    /// @dev Get the address of a network contract by name
    function getContractAddress(string memory _contractName) internal view returns (address) {
        // Get the current contract address
        address contractAddress = getAddress(keccak256(abi.encodePacked("contract.address", _contractName)));
        // Check it
        require(contractAddress != address(0x0), "Contract not found");
        // Return
        return contractAddress;
    }


    /// @dev Get the address of a network contract by name (returns address(0x0) instead of reverting if contract does not exist)
    function getContractAddressUnsafe(string memory _contractName) internal view returns (address) {
        // Get the current contract address
        address contractAddress = getAddress(keccak256(abi.encodePacked("contract.address", _contractName)));
        // Return
        return contractAddress;
    }


    /// @dev Get the name of a network contract by address
    function getContractName(address _contractAddress) internal view returns (string memory) {
        // Get the contract name
        string memory contractName = getString(keccak256(abi.encodePacked("contract.name", _contractAddress)));
        // Check it
        require(bytes(contractName).length > 0, "Contract not found");
        // Return
        return contractName;
    }

    /// @dev Get revert error message from a .call method
    function getRevertMsg(bytes memory _returnData) internal pure returns (string memory) {
        // If the _res length is less than 68, then the transaction failed silently (without a revert message)
        if (_returnData.length < 68) return "Transaction reverted silently";
        assembly {
            // Slice the sighash.
            _returnData := add(_returnData, 0x04)
        }
        return abi.decode(_returnData, (string)); // All that remains is the revert string
    }



    /*** Rocket Storage Methods ****************************************/

    // Note: Unused helpers have been removed to keep contract sizes down

    /// @dev Storage get methods
    function getAddress(bytes32 _key) internal view returns (address) { return rocketStorage.getAddress(_key); }
    function getUint(bytes32 _key) internal view returns (uint) { return rocketStorage.getUint(_key); }
    function getString(bytes32 _key) internal view returns (string memory) { return rocketStorage.getString(_key); }
    function getBytes(bytes32 _key) internal view returns (bytes memory) { return rocketStorage.getBytes(_key); }
    function getBool(bytes32 _key) internal view returns (bool) { return rocketStorage.getBool(_key); }
    function getInt(bytes32 _key) internal view returns (int) { return rocketStorage.getInt(_key); }
    function getBytes32(bytes32 _key) internal view returns (bytes32) { return rocketStorage.getBytes32(_key); }

    /// @dev Storage set methods
    function setAddress(bytes32 _key, address _value) internal { rocketStorage.setAddress(_key, _value); }
    function setUint(bytes32 _key, uint _value) internal { rocketStorage.setUint(_key, _value); }
    function setString(bytes32 _key, string memory _value) internal { rocketStorage.setString(_key, _value); }
    function setBytes(bytes32 _key, bytes memory _value) internal { rocketStorage.setBytes(_key, _value); }
    function setBool(bytes32 _key, bool _value) internal { rocketStorage.setBool(_key, _value); }
    function setInt(bytes32 _key, int _value) internal { rocketStorage.setInt(_key, _value); }
    function setBytes32(bytes32 _key, bytes32 _value) internal { rocketStorage.setBytes32(_key, _value); }

    /// @dev Storage delete methods
    function deleteAddress(bytes32 _key) internal { rocketStorage.deleteAddress(_key); }
    function deleteUint(bytes32 _key) internal { rocketStorage.deleteUint(_key); }
    function deleteString(bytes32 _key) internal { rocketStorage.deleteString(_key); }
    function deleteBytes(bytes32 _key) internal { rocketStorage.deleteBytes(_key); }
    function deleteBool(bytes32 _key) internal { rocketStorage.deleteBool(_key); }
    function deleteInt(bytes32 _key) internal { rocketStorage.deleteInt(_key); }
    function deleteBytes32(bytes32 _key) internal { rocketStorage.deleteBytes32(_key); }

    /// @dev Storage arithmetic methods
    function addUint(bytes32 _key, uint256 _amount) internal { rocketStorage.addUint(_key, _amount); }
    function subUint(bytes32 _key, uint256 _amount) internal { rocketStorage.subUint(_key, _amount); }
}

/**
   *       .
   *      / \
   *     |.'.|
   *     |'.'|
   *   ,'|   |'.
   *  |,-'-|-'-.|
   *   __|_| |         _        _      _____           _
   *  | ___ \|        | |      | |    | ___ \         | |
   *  | |_/ /|__   ___| | _____| |_   | |_/ /__   ___ | |
   *  |    // _ \ / __| |/ / _ \ __|  |  __/ _ \ / _ \| |
   *  | |\ \ (_) | (__|   <  __/ |_   | | | (_) | (_) | |
   *  \_| \_\___/ \___|_|\_\___|\__|  \_|  \___/ \___/|_|
   * +---------------------------------------------------+
   * |    DECENTRALISED STAKING PROTOCOL FOR ETHEREUM    |
   * +---------------------------------------------------+
   *
   *  Rocket Pool is a first-of-its-kind Ethereum staking pool protocol, designed to
   *  be community-owned, decentralised, permissionless, & trustless.
   *
   *  For more information about Rocket Pool, visit https://rocketpool.net
   *
   *  Authored by the Rocket Pool Core Team
   *  Contributors: https://github.com/rocket-pool/rocketpool/graphs/contributors
   *  A special thanks to the Rocket Pool community for all their contributions.
   *
   */

// SPDX-License-Identifier: GPL-3.0-only
pragma solidity >0.5.0 <0.9.0;

interface RocketDAONodeTrustedSettingsRewardsInterface {
    function getNetworkEnabled(uint256 _network) external view returns (bool);
}

/**
   *       .
   *      / \
   *     |.'.|
   *     |'.'|
   *   ,'|   |'.
   *  |,-'-|-'-.|
   *   __|_| |         _        _      _____           _
   *  | ___ \|        | |      | |    | ___ \         | |
   *  | |_/ /|__   ___| | _____| |_   | |_/ /__   ___ | |
   *  |    // _ \ / __| |/ / _ \ __|  |  __/ _ \ / _ \| |
   *  | |\ \ (_) | (__|   <  __/ |_   | | | (_) | (_) | |
   *  \_| \_\___/ \___|_|\_\___|\__|  \_|  \___/ \___/|_|
   * +---------------------------------------------------+
   * |    DECENTRALISED STAKING PROTOCOL FOR ETHEREUM    |
   * +---------------------------------------------------+
   *
   *  Rocket Pool is a first-of-its-kind Ethereum staking pool protocol, designed to
   *  be community-owned, decentralised, permissionless, & trustless.
   *
   *  For more information about Rocket Pool, visit https://rocketpool.net
   *
   *  Authored by the Rocket Pool Core Team
   *  Contributors: https://github.com/rocket-pool/rocketpool/graphs/contributors
   *  A special thanks to the Rocket Pool community for all their contributions.
   *
   */

pragma solidity >0.5.0 <0.9.0;

// SPDX-License-Identifier: GPL-3.0-only

import "../../../../types/MinipoolDeposit.sol";

interface RocketDAOProtocolSettingsMinipoolInterface {
    function getLaunchBalance() external view returns (uint256);
    function getPreLaunchValue() external pure returns (uint256);
    function getDepositUserAmount(MinipoolDeposit _depositType) external view returns (uint256);
    function getFullDepositUserAmount() external view returns (uint256);
    function getHalfDepositUserAmount() external view returns (uint256);
    function getVariableDepositAmount() external view returns (uint256);
    function getSubmitWithdrawableEnabled() external view returns (bool);
    function getBondReductionEnabled() external view returns (bool);
    function getLaunchTimeout() external view returns (uint256);
    function getMaximumCount() external view returns (uint256);
    function isWithinUserDistributeWindow(uint256 _time) external view returns (bool);
    function hasUserDistributeWindowPassed(uint256 _time) external view returns (bool);
    function getUserDistributeWindowStart() external view returns (uint256);
    function getUserDistributeWindowLength() external view returns (uint256);
}

/**
   *       .
   *      / \
   *     |.'.|
   *     |'.'|
   *   ,'|   |'.
   *  |,-'-|-'-.|
   *   __|_| |         _        _      _____           _
   *  | ___ \|        | |      | |    | ___ \         | |
   *  | |_/ /|__   ___| | _____| |_   | |_/ /__   ___ | |
   *  |    // _ \ / __| |/ / _ \ __|  |  __/ _ \ / _ \| |
   *  | |\ \ (_) | (__|   <  __/ |_   | | | (_) | (_) | |
   *  \_| \_\___/ \___|_|\_\___|\__|  \_|  \___/ \___/|_|
   * +---------------------------------------------------+
   * |    DECENTRALISED STAKING PROTOCOL FOR ETHEREUM    |
   * +---------------------------------------------------+
   *
   *  Rocket Pool is a first-of-its-kind Ethereum staking pool protocol, designed to
   *  be community-owned, decentralised, permissionless, & trustless.
   *
   *  For more information about Rocket Pool, visit https://rocketpool.net
   *
   *  Authored by the Rocket Pool Core Team
   *  Contributors: https://github.com/rocket-pool/rocketpool/graphs/contributors
   *  A special thanks to the Rocket Pool community for all their contributions.
   *
   */

pragma solidity >0.5.0 <0.9.0;

// SPDX-License-Identifier: GPL-3.0-only

interface RocketDAOProtocolSettingsNodeInterface {
    function getRegistrationEnabled() external view returns (bool);
    function getSmoothingPoolRegistrationEnabled() external view returns (bool);
    function getDepositEnabled() external view returns (bool);
    function getVacantMinipoolsEnabled() external view returns (bool);
    function getMinimumPerMinipoolStake() external view returns (uint256);
    function getMaximumPerMinipoolStake() external view returns (uint256);
    function getMaximumStakeForVotingPower() external view returns (uint256);
}

/**
   *       .
   *      / \
   *     |.'.|
   *     |'.'|
   *   ,'|   |'.
   *  |,-'-|-'-.|
   *   __|_| |         _        _      _____           _
   *  | ___ \|        | |      | |    | ___ \         | |
   *  | |_/ /|__   ___| | _____| |_   | |_/ /__   ___ | |
   *  |    // _ \ / __| |/ / _ \ __|  |  __/ _ \ / _ \| |
   *  | |\ \ (_) | (__|   <  __/ |_   | | | (_) | (_) | |
   *  \_| \_\___/ \___|_|\_\___|\__|  \_|  \___/ \___/|_|
   * +---------------------------------------------------+
   * |    DECENTRALISED STAKING PROTOCOL FOR ETHEREUM    |
   * +---------------------------------------------------+
   *
   *  Rocket Pool is a first-of-its-kind Ethereum staking pool protocol, designed to
   *  be community-owned, decentralised, permissionless, & trustless.
   *
   *  For more information about Rocket Pool, visit https://rocketpool.net
   *
   *  Authored by the Rocket Pool Core Team
   *  Contributors: https://github.com/rocket-pool/rocketpool/graphs/contributors
   *  A special thanks to the Rocket Pool community for all their contributions.
   *
   */

// SPDX-License-Identifier: GPL-3.0-only
pragma solidity >0.5.0 <0.9.0;

interface RocketDAOProtocolSettingsRewardsInterface {
    function setSettingRewardsClaimers(uint256 _trustedNodePercent, uint256 _protocolPercent, uint256 _nodePercent) external;
    function getRewardsClaimerPerc(string memory _contractName) external view returns (uint256);
    function getRewardsClaimersPerc() external view returns (uint256 _trustedNodePercent, uint256 _protocolPercent, uint256 _nodePercent);
    function getRewardsClaimersTrustedNodePerc() external view returns (uint256);
    function getRewardsClaimersProtocolPerc() external view returns (uint256);
    function getRewardsClaimersNodePerc() external view returns (uint256);
    function getRewardsClaimersTimeUpdated() external view returns (uint256);
    function getRewardsClaimIntervalPeriods() external view returns (uint256);
    function getRewardsClaimIntervalTime() external view returns (uint256);
}

/**
   *       .
   *      / \
   *     |.'.|
   *     |'.'|
   *   ,'|   |'.
   *  |,-'-|-'-.|
   *   __|_| |         _        _      _____           _
   *  | ___ \|        | |      | |    | ___ \         | |
   *  | |_/ /|__   ___| | _____| |_   | |_/ /__   ___ | |
   *  |    // _ \ / __| |/ / _ \ __|  |  __/ _ \ / _ \| |
   *  | |\ \ (_) | (__|   <  __/ |_   | | | (_) | (_) | |
   *  \_| \_\___/ \___|_|\_\___|\__|  \_|  \___/ \___/|_|
   * +---------------------------------------------------+
   * |    DECENTRALISED STAKING PROTOCOL FOR ETHEREUM    |
   * +---------------------------------------------------+
   *
   *  Rocket Pool is a first-of-its-kind Ethereum staking pool protocol, designed to
   *  be community-owned, decentralised, permissionless, & trustless.
   *
   *  For more information about Rocket Pool, visit https://rocketpool.net
   *
   *  Authored by the Rocket Pool Core Team
   *  Contributors: https://github.com/rocket-pool/rocketpool/graphs/contributors
   *  A special thanks to the Rocket Pool community for all their contributions.
   *
   */

pragma solidity >0.5.0 <0.9.0;

// SPDX-License-Identifier: GPL-3.0-only

import "../../types/MinipoolDeposit.sol";
import "../../types/MinipoolStatus.sol";
import "../RocketStorageInterface.sol";

interface RocketMinipoolInterface {
    function version() external view returns (uint8);
    function initialise(address _nodeAddress) external;
    function getStatus() external view returns (MinipoolStatus);
    function getFinalised() external view returns (bool);
    function getStatusBlock() external view returns (uint256);
    function getStatusTime() external view returns (uint256);
    function getScrubVoted(address _member) external view returns (bool);
    function getDepositType() external view returns (MinipoolDeposit);
    function getNodeAddress() external view returns (address);
    function getNodeFee() external view returns (uint256);
    function getNodeDepositBalance() external view returns (uint256);
    function getNodeRefundBalance() external view returns (uint256);
    function getNodeDepositAssigned() external view returns (bool);
    function getPreLaunchValue() external view returns (uint256);
    function getNodeTopUpValue() external view returns (uint256);
    function getVacant() external view returns (bool);
    function getPreMigrationBalance() external view returns (uint256);
    function getUserDistributed() external view returns (bool);
    function getUserDepositBalance() external view returns (uint256);
    function getUserDepositAssigned() external view returns (bool);
    function getUserDepositAssignedTime() external view returns (uint256);
    function getTotalScrubVotes() external view returns (uint256);
    function calculateNodeShare(uint256 _balance) external view returns (uint256);
    function calculateUserShare(uint256 _balance) external view returns (uint256);
    function preDeposit(uint256 _bondingValue, bytes calldata _validatorPubkey, bytes calldata _validatorSignature, bytes32 _depositDataRoot) external payable;
    function deposit() external payable;
    function userDeposit() external payable;
    function distributeBalance(bool _rewardsOnly) external;
    function beginUserDistribute() external;
    function userDistributeAllowed() external view returns (bool);
    function refund() external;
    function slash() external;
    function finalise() external;
    function canStake() external view returns (bool);
    function canPromote() external view returns (bool);
    function stake(bytes calldata _validatorSignature, bytes32 _depositDataRoot) external;
    function prepareVacancy(uint256 _bondAmount, uint256 _currentBalance) external;
    function promote() external;
    function dissolve() external;
    function close() external;
    function voteScrub() external;
    function reduceBondAmount() external;
}

/**
   *       .
   *      / \
   *     |.'.|
   *     |'.'|
   *   ,'|   |'.
   *  |,-'-|-'-.|
   *   __|_| |         _        _      _____           _
   *  | ___ \|        | |      | |    | ___ \         | |
   *  | |_/ /|__   ___| | _____| |_   | |_/ /__   ___ | |
   *  |    // _ \ / __| |/ / _ \ __|  |  __/ _ \ / _ \| |
   *  | |\ \ (_) | (__|   <  __/ |_   | | | (_) | (_) | |
   *  \_| \_\___/ \___|_|\_\___|\__|  \_|  \___/ \___/|_|
   * +---------------------------------------------------+
   * |    DECENTRALISED STAKING PROTOCOL FOR ETHEREUM    |
   * +---------------------------------------------------+
   *
   *  Rocket Pool is a first-of-its-kind Ethereum staking pool protocol, designed to
   *  be community-owned, decentralised, permissionless, & trustless.
   *
   *  For more information about Rocket Pool, visit https://rocketpool.net
   *
   *  Authored by the Rocket Pool Core Team
   *  Contributors: https://github.com/rocket-pool/rocketpool/graphs/contributors
   *  A special thanks to the Rocket Pool community for all their contributions.
   *
   */

pragma solidity >0.5.0 <0.9.0;
pragma abicoder v2;

// SPDX-License-Identifier: GPL-3.0-only

import "../../types/MinipoolDeposit.sol";
import "../../types/MinipoolDetails.sol";
import "./RocketMinipoolInterface.sol";

interface RocketMinipoolManagerInterface {
    function getMinipoolCount() external view returns (uint256);
    function getStakingMinipoolCount() external view returns (uint256);
    function getFinalisedMinipoolCount() external view returns (uint256);
    function getActiveMinipoolCount() external view returns (uint256);
    function getMinipoolRPLSlashed(address _minipoolAddress) external view returns (bool);
    function getMinipoolCountPerStatus(uint256 offset, uint256 limit) external view returns (uint256, uint256, uint256, uint256, uint256);
    function getPrelaunchMinipools(uint256 offset, uint256 limit) external view returns (address[] memory);
    function getMinipoolAt(uint256 _index) external view returns (address);
    function getNodeMinipoolCount(address _nodeAddress) external view returns (uint256);
    function getNodeActiveMinipoolCount(address _nodeAddress) external view returns (uint256);
    function getNodeFinalisedMinipoolCount(address _nodeAddress) external view returns (uint256);
    function getNodeStakingMinipoolCount(address _nodeAddress) external view returns (uint256);
    function getNodeStakingMinipoolCountBySize(address _nodeAddress, uint256 _depositSize) external view returns (uint256);
    function getNodeMinipoolAt(address _nodeAddress, uint256 _index) external view returns (address);
    function getNodeValidatingMinipoolCount(address _nodeAddress) external view returns (uint256);
    function getNodeValidatingMinipoolAt(address _nodeAddress, uint256 _index) external view returns (address);
    function getMinipoolByPubkey(bytes calldata _pubkey) external view returns (address);
    function getMinipoolExists(address _minipoolAddress) external view returns (bool);
    function getMinipoolDestroyed(address _minipoolAddress) external view returns (bool);
    function getMinipoolPubkey(address _minipoolAddress) external view returns (bytes memory);
    function updateNodeStakingMinipoolCount(uint256 _previousBond, uint256 _newBond, uint256 _previousFee, uint256 _newFee) external;
    function getMinipoolWithdrawalCredentials(address _minipoolAddress) external pure returns (bytes memory);
    function createMinipool(address _nodeAddress, uint256 _salt) external returns (RocketMinipoolInterface);
    function createVacantMinipool(address _nodeAddress, uint256 _salt, bytes calldata _validatorPubkey, uint256 _bondAmount, uint256 _currentBalance) external returns (RocketMinipoolInterface);
    function removeVacantMinipool() external;
    function getVacantMinipoolCount() external view returns (uint256);
    function getVacantMinipoolAt(uint256 _index) external view returns (address);
    function destroyMinipool() external;
    function incrementNodeStakingMinipoolCount(address _nodeAddress) external;
    function decrementNodeStakingMinipoolCount(address _nodeAddress) external;
    function tryDistribute(address _nodeAddress) external;
    function incrementNodeFinalisedMinipoolCount(address _nodeAddress) external;
    function setMinipoolPubkey(bytes calldata _pubkey) external;
    function getMinipoolDepositType(address _minipoolAddress) external view returns (MinipoolDeposit);
}

/**
   *       .
   *      / \
   *     |.'.|
   *     |'.'|
   *   ,'|   |'.
   *  |,-'-|-'-.|
   *   __|_| |         _        _      _____           _
   *  | ___ \|        | |      | |    | ___ \         | |
   *  | |_/ /|__   ___| | _____| |_   | |_/ /__   ___ | |
   *  |    // _ \ / __| |/ / _ \ __|  |  __/ _ \ / _ \| |
   *  | |\ \ (_) | (__|   <  __/ |_   | | | (_) | (_) | |
   *  \_| \_\___/ \___|_|\_\___|\__|  \_|  \___/ \___/|_|
   * +---------------------------------------------------+
   * |    DECENTRALISED STAKING PROTOCOL FOR ETHEREUM    |
   * +---------------------------------------------------+
   *
   *  Rocket Pool is a first-of-its-kind Ethereum staking pool protocol, designed to
   *  be community-owned, decentralised, permissionless, & trustless.
   *
   *  For more information about Rocket Pool, visit https://rocketpool.net
   *
   *  Authored by the Rocket Pool Core Team
   *  Contributors: https://github.com/rocket-pool/rocketpool/graphs/contributors
   *  A special thanks to the Rocket Pool community for all their contributions.
   *
   */

// SPDX-License-Identifier: GPL-3.0-only
pragma solidity >0.5.0 <0.9.0;

struct Checkpoint224 {
    uint32 _block;
    uint224 _value;
}

/// @notice Accounting for snapshotting of values based on block numbers
interface RocketNetworkSnapshotsInterface {
    function push(bytes32 _key, uint224 _value) external;
    function length(bytes32 _key) external view returns (uint256);
    function latest(bytes32 _key) external view returns (bool, uint32, uint224);
    function latestBlock(bytes32 _key) external view returns (uint32);
    function latestValue(bytes32 _key) external view returns (uint224);
    function lookup(bytes32 _key, uint32 _block) external view returns (uint224);
    function lookupRecent(bytes32 _key, uint32 _block, uint256 _recency) external view returns (uint224);
}

/**
   *       .
   *      / \
   *     |.'.|
   *     |'.'|
   *   ,'|   |'.
   *  |,-'-|-'-.|
   *   __|_| |         _        _      _____           _
   *  | ___ \|        | |      | |    | ___ \         | |
   *  | |_/ /|__   ___| | _____| |_   | |_/ /__   ___ | |
   *  |    // _ \ / __| |/ / _ \ __|  |  __/ _ \ / _ \| |
   *  | |\ \ (_) | (__|   <  __/ |_   | | | (_) | (_) | |
   *  \_| \_\___/ \___|_|\_\___|\__|  \_|  \___/ \___/|_|
   * +---------------------------------------------------+
   * |    DECENTRALISED STAKING PROTOCOL FOR ETHEREUM    |
   * +---------------------------------------------------+
   *
   *  Rocket Pool is a first-of-its-kind Ethereum staking pool protocol, designed to
   *  be community-owned, decentralised, permissionless, & trustless.
   *
   *  For more information about Rocket Pool, visit https://rocketpool.net
   *
   *  Authored by the Rocket Pool Core Team
   *  Contributors: https://github.com/rocket-pool/rocketpool/graphs/contributors
   *  A special thanks to the Rocket Pool community for all their contributions.
   *
   */

pragma solidity >0.5.0 <0.9.0;

// SPDX-License-Identifier: GPL-3.0-only

import "../../types/MinipoolDeposit.sol";

interface RocketNodeDepositInterface {
    function getNodeDepositCredit(address _nodeAddress) external view returns (uint256);
    function getNodeEthBalance(address _nodeAddress) external view returns (uint256);
    function getNodeCreditAndBalance(address _nodeAddress) external view returns (uint256);
    function getNodeUsableCreditAndBalance(address _nodeAddress) external view returns (uint256);
    function getNodeUsableCredit(address _nodeAddress) external view returns (uint256);
    function increaseDepositCreditBalance(address _nodeOperator, uint256 _amount) external;
    function depositEthFor(address _nodeAddress) external payable;
    function withdrawEth(address _nodeAddress, uint256 _amount) external;
    function deposit(uint256 _depositAmount, uint256 _minimumNodeFee, bytes calldata _validatorPubkey, bytes calldata _validatorSignature, bytes32 _depositDataRoot, uint256 _salt, address _expectedMinipoolAddress) external payable;
    function depositWithCredit(uint256 _depositAmount, uint256 _minimumNodeFee, bytes calldata _validatorPubkey, bytes calldata _validatorSignature, bytes32 _depositDataRoot, uint256 _salt, address _expectedMinipoolAddress) external payable;
    function isValidDepositAmount(uint256 _amount) external pure returns (bool);
    function getDepositAmounts() external pure returns (uint256[] memory);
    function createVacantMinipool(uint256 _bondAmount, uint256 _minimumNodeFee, bytes calldata _validatorPubkey, uint256 _salt, address _expectedMinipoolAddress, uint256 _currentBalance) external;
    function increaseEthMatched(address _nodeAddress, uint256 _amount) external;
}

/**
   *       .
   *      / \
   *     |.'.|
   *     |'.'|
   *   ,'|   |'.
   *  |,-'-|-'-.|
   *   __|_| |         _        _      _____           _
   *  | ___ \|        | |      | |    | ___ \         | |
   *  | |_/ /|__   ___| | _____| |_   | |_/ /__   ___ | |
   *  |    // _ \ / __| |/ / _ \ __|  |  __/ _ \ / _ \| |
   *  | |\ \ (_) | (__|   <  __/ |_   | | | (_) | (_) | |
   *  \_| \_\___/ \___|_|\_\___|\__|  \_|  \___/ \___/|_|
   * +---------------------------------------------------+
   * |    DECENTRALISED STAKING PROTOCOL FOR ETHEREUM    |
   * +---------------------------------------------------+
   *
   *  Rocket Pool is a first-of-its-kind Ethereum staking pool protocol, designed to
   *  be community-owned, decentralised, permissionless, & trustless.
   *
   *  For more information about Rocket Pool, visit https://rocketpool.net
   *
   *  Authored by the Rocket Pool Core Team
   *  Contributors: https://github.com/rocket-pool/rocketpool/graphs/contributors
   *  A special thanks to the Rocket Pool community for all their contributions.
   *
   */

pragma solidity >0.5.0 <0.9.0;

// SPDX-License-Identifier: GPL-3.0-only

interface RocketNodeDistributorFactoryInterface {
    function getProxyBytecode() external pure returns (bytes memory);
    function getProxyAddress(address _nodeAddress) external view returns(address);
    function createProxy(address _nodeAddress) external;
}

/**
   *       .
   *      / \
   *     |.'.|
   *     |'.'|
   *   ,'|   |'.
   *  |,-'-|-'-.|
   *   __|_| |         _        _      _____           _
   *  | ___ \|        | |      | |    | ___ \         | |
   *  | |_/ /|__   ___| | _____| |_   | |_/ /__   ___ | |
   *  |    // _ \ / __| |/ / _ \ __|  |  __/ _ \ / _ \| |
   *  | |\ \ (_) | (__|   <  __/ |_   | | | (_) | (_) | |
   *  \_| \_\___/ \___|_|\_\___|\__|  \_|  \___/ \___/|_|
   * +---------------------------------------------------+
   * |    DECENTRALISED STAKING PROTOCOL FOR ETHEREUM    |
   * +---------------------------------------------------+
   *
   *  Rocket Pool is a first-of-its-kind Ethereum staking pool protocol, designed to
   *  be community-owned, decentralised, permissionless, & trustless.
   *
   *  For more information about Rocket Pool, visit https://rocketpool.net
   *
   *  Authored by the Rocket Pool Core Team
   *  Contributors: https://github.com/rocket-pool/rocketpool/graphs/contributors
   *  A special thanks to the Rocket Pool community for all their contributions.
   *
   */

pragma solidity >0.5.0 <0.9.0;

// SPDX-License-Identifier: GPL-3.0-only

interface RocketNodeDistributorInterface {
    function getNodeShare() external view returns (uint256);
    function getUserShare() external view returns (uint256);
    function distribute() external;
}

/**
   *       .
   *      / \
   *     |.'.|
   *     |'.'|
   *   ,'|   |'.
   *  |,-'-|-'-.|
   *   __|_| |         _        _      _____           _
   *  | ___ \|        | |      | |    | ___ \         | |
   *  | |_/ /|__   ___| | _____| |_   | |_/ /__   ___ | |
   *  |    // _ \ / __| |/ / _ \ __|  |  __/ _ \ / _ \| |
   *  | |\ \ (_) | (__|   <  __/ |_   | | | (_) | (_) | |
   *  \_| \_\___/ \___|_|\_\___|\__|  \_|  \___/ \___/|_|
   * +---------------------------------------------------+
   * |    DECENTRALISED STAKING PROTOCOL FOR ETHEREUM    |
   * +---------------------------------------------------+
   *
   *  Rocket Pool is a first-of-its-kind Ethereum staking pool protocol, designed to
   *  be community-owned, decentralised, permissionless, & trustless.
   *
   *  For more information about Rocket Pool, visit https://rocketpool.net
   *
   *  Authored by the Rocket Pool Core Team
   *  Contributors: https://github.com/rocket-pool/rocketpool/graphs/contributors
   *  A special thanks to the Rocket Pool community for all their contributions.
   *
   */

// SPDX-License-Identifier: GPL-3.0-only
pragma solidity 0.8.18;
pragma abicoder v2;

import "../RocketBase.sol";
import "../../types/MinipoolStatus.sol";
import "../../types/NodeDetails.sol";
import "../../interface/node/RocketNodeManagerInterface.sol";
import "../../interface/dao/protocol/settings/RocketDAOProtocolSettingsNodeInterface.sol";
import "../../interface/util/AddressSetStorageInterface.sol";
import "../../interface/node/RocketNodeDistributorFactoryInterface.sol";
import "../../interface/minipool/RocketMinipoolManagerInterface.sol";
import "../../interface/node/RocketNodeDistributorInterface.sol";
import "../../interface/dao/node/settings/RocketDAONodeTrustedSettingsRewardsInterface.sol";
import "../../interface/dao/protocol/settings/RocketDAOProtocolSettingsRewardsInterface.sol";
import "../../interface/node/RocketNodeStakingInterface.sol";
import "../../interface/node/RocketNodeDepositInterface.sol";
import "../../interface/dao/protocol/settings/RocketDAOProtocolSettingsMinipoolInterface.sol";
import "../../interface/util/IERC20.sol";
import "../../interface/network/RocketNetworkSnapshotsInterface.sol";

/// @notice Node registration and management
contract RocketNodeManager is RocketBase, RocketNodeManagerInterface {

    // Events
    event NodeRegistered(address indexed node, uint256 time);
    event NodeTimezoneLocationSet(address indexed node, uint256 time);
    event NodeRewardNetworkChanged(address indexed node, uint256 network);
    event NodeSmoothingPoolStateChanged(address indexed node, bool state);
    event NodeRPLWithdrawalAddressSet(address indexed node, address indexed withdrawalAddress, uint256 time);
    event NodeRPLWithdrawalAddressUnset(address indexed node, uint256 time);

    constructor(RocketStorageInterface _rocketStorageAddress) RocketBase(_rocketStorageAddress) {
        version = 4;
    }

    /// @notice Get the number of nodes in the network
    function getNodeCount() override public view returns (uint256) {
        AddressSetStorageInterface addressSetStorage = AddressSetStorageInterface(getContractAddress("addressSetStorage"));
        return addressSetStorage.getCount(keccak256(abi.encodePacked("nodes.index")));
    }

    /// @notice Get a breakdown of the number of nodes per timezone
    function getNodeCountPerTimezone(uint256 _offset, uint256 _limit) override external view returns (TimezoneCount[] memory) {
        // Get contracts
        AddressSetStorageInterface addressSetStorage = AddressSetStorageInterface(getContractAddress("addressSetStorage"));
        // Precompute node key
        bytes32 nodeKey = keccak256(abi.encodePacked("nodes.index"));
        // Calculate range
        uint256 totalNodes = addressSetStorage.getCount(nodeKey);
        uint256 max = _offset + _limit;
        if (max > totalNodes || _limit == 0) { max = totalNodes; }
        // Create an array with as many elements as there are potential values to return
        TimezoneCount[] memory counts = new TimezoneCount[](max - _offset);
        uint256 uniqueTimezoneCount = 0;
        // Iterate the minipool range
        for (uint256 i = _offset; i < max; ++i) {
            address nodeAddress = addressSetStorage.getItem(nodeKey, i);
            string memory timezone = getString(keccak256(abi.encodePacked("node.timezone.location", nodeAddress)));
            // Find existing entry in our array
            bool existing = false;
            for (uint256 j = 0; j < uniqueTimezoneCount; ++j) {
                if (keccak256(bytes(counts[j].timezone)) == keccak256(bytes(timezone))) {
                    existing = true;
                    // Increment the counter
                    counts[j].count++;
                    break;
                }
            }
            // Entry was not found, so create a new one
            if (!existing) {
                counts[uniqueTimezoneCount].timezone = timezone;
                counts[uniqueTimezoneCount].count = 1;
                uniqueTimezoneCount++;
            }
        }
        // Dirty hack to cut unused elements off end of return value
        assembly {
            mstore(counts, uniqueTimezoneCount)
        }
        return counts;
    }

    /// @notice Get a node address by index
    function getNodeAt(uint256 _index) override external view returns (address) {
        AddressSetStorageInterface addressSetStorage = AddressSetStorageInterface(getContractAddress("addressSetStorage"));
        return addressSetStorage.getItem(keccak256(abi.encodePacked("nodes.index")), _index);
    }

    /// @notice Check whether a node exists
    function getNodeExists(address _nodeAddress) override public view returns (bool) {
        return getBool(keccak256(abi.encodePacked("node.exists", _nodeAddress)));
    }

    /// @notice Get a node's current withdrawal address
    function getNodeWithdrawalAddress(address _nodeAddress) override public view returns (address) {
        return rocketStorage.getNodeWithdrawalAddress(_nodeAddress);
    }

    /// @notice Get a node's pending withdrawal address
    function getNodePendingWithdrawalAddress(address _nodeAddress) override public view returns (address) {
        return rocketStorage.getNodePendingWithdrawalAddress(_nodeAddress);
    }

    /// @notice Get a node's current RPL withdrawal address
    function getNodeRPLWithdrawalAddress(address _nodeAddress) override public view returns (address) {
        address withdrawalAddress = getAddress(keccak256(abi.encodePacked("node.rpl.withdrawal.address", _nodeAddress)));
        if (withdrawalAddress == address(0)) {
            // Defaults to current withdrawal address if unset
            return rocketStorage.getNodeWithdrawalAddress(_nodeAddress);
        }
        return withdrawalAddress;
    }

    /// @notice Get a node's pending RPL withdrawal address
    function getNodePendingRPLWithdrawalAddress(address _nodeAddress) override public view returns (address) {
        return getAddress(keccak256(abi.encodePacked("node.pending.rpl.withdrawal.address", _nodeAddress)));
    }

    /// @notice Returns true if a node has set an RPL withdrawal address
    function getNodeRPLWithdrawalAddressIsSet(address _nodeAddress) override external view returns (bool) {
        return(getAddress(keccak256(abi.encodePacked("node.rpl.withdrawal.address", _nodeAddress))) != address(0));
    }

    /// @notice Unsets a node operator's RPL withdrawal address returning it to the default
    function unsetRPLWithdrawalAddress(address _nodeAddress) external override onlyRegisteredNode(_nodeAddress) {
        bytes32 addressKey = keccak256(abi.encodePacked("node.rpl.withdrawal.address", _nodeAddress));
        // Confirm the transaction is from the node's current RPL withdrawal address
        require(getAddress(addressKey) == msg.sender, "Only a tx from a node's RPL withdrawal address can unset it");
        // Unset the address
        deleteAddress(addressKey);
        // Emit withdrawal address unset event
        emit NodeRPLWithdrawalAddressUnset(_nodeAddress, block.timestamp);
    }

    // @notice Set a node's RPL withdrawal address
    function setRPLWithdrawalAddress(address _nodeAddress, address _newRPLWithdrawalAddress, bool _confirm) external override onlyRegisteredNode(_nodeAddress) {
        // Check new RPL withdrawal address
        require(_newRPLWithdrawalAddress != address(0x0), "Invalid RPL withdrawal address");
        // Confirm the transaction is from the node's current RPL withdrawal address
        address withdrawalAddress = getNodeRPLWithdrawalAddress(_nodeAddress);
        require(withdrawalAddress == msg.sender, "Only a tx from a node's RPL withdrawal address can update it");
        // Update immediately if confirmed
        if (_confirm) {
            // Delete any existing pending update
            deleteAddress(keccak256(abi.encodePacked("node.pending.rpl.withdrawal.address", _nodeAddress)));
            // Perform the update
            updateRPLWithdrawalAddress(_nodeAddress, _newRPLWithdrawalAddress);
        }
        // Set pending withdrawal address if not confirmed
        else {
            setAddress(keccak256(abi.encodePacked("node.pending.rpl.withdrawal.address", _nodeAddress)), _newRPLWithdrawalAddress);
        }
    }

    /// @notice Confirm a node's new RPL withdrawal address
    function confirmRPLWithdrawalAddress(address _nodeAddress) external override onlyRegisteredNode(_nodeAddress) {
        bytes32 pendingKey = keccak256(abi.encodePacked("node.pending.rpl.withdrawal.address", _nodeAddress));
        // Get node by pending withdrawal address
        require(getAddress(pendingKey) == msg.sender, "Confirmation must come from the pending RPL withdrawal address");
        deleteAddress(pendingKey);
        // Update withdrawal address
        updateRPLWithdrawalAddress(_nodeAddress, msg.sender);
    }

    /// @notice Update a node's withdrawal address
    function updateRPLWithdrawalAddress(address _nodeAddress, address _newWithdrawalAddress) private {
        // Set new withdrawal address
        setAddress(keccak256(abi.encodePacked("node.rpl.withdrawal.address", _nodeAddress)), _newWithdrawalAddress);
        // Emit withdrawal address set event
        emit NodeRPLWithdrawalAddressSet(_nodeAddress, _newWithdrawalAddress, block.timestamp);
    }

    /// @notice Get a node's timezone location
    function getNodeTimezoneLocation(address _nodeAddress) override public view returns (string memory) {
        return getString(keccak256(abi.encodePacked("node.timezone.location", _nodeAddress)));
    }

    /// @notice Register a new node with Rocket Pool
    function registerNode(string calldata _timezoneLocation) override external onlyLatestContract("rocketNodeManager", address(this)) {
        // Load contracts
        RocketDAOProtocolSettingsNodeInterface rocketDAOProtocolSettingsNode = RocketDAOProtocolSettingsNodeInterface(getContractAddress("rocketDAOProtocolSettingsNode"));
        AddressSetStorageInterface addressSetStorage = AddressSetStorageInterface(getContractAddress("addressSetStorage"));
        RocketNetworkSnapshotsInterface rocketNetworkSnapshots = RocketNetworkSnapshotsInterface(getContractAddress("rocketNetworkSnapshots"));
        // Check node settings
        require(rocketDAOProtocolSettingsNode.getRegistrationEnabled(), "Rocket Pool node registrations are currently disabled");
        // Check timezone location
        require(bytes(_timezoneLocation).length >= 4, "The timezone location is invalid");
        // Initialise node data
        setBool(keccak256(abi.encodePacked("node.exists", msg.sender)), true);
        setBool(keccak256(abi.encodePacked("node.voting.enabled", msg.sender)), true);
        setString(keccak256(abi.encodePacked("node.timezone.location", msg.sender)), _timezoneLocation);
        // Add node to index
        bytes32 nodeIndexKey = keccak256(abi.encodePacked("nodes.index"));
        addressSetStorage.addItem(nodeIndexKey, msg.sender);
        // Initialise fee distributor for this node
        _initialiseFeeDistributor(msg.sender);
        // Set node registration time (uses old storage key name for backwards compatibility)
        setUint(keccak256(abi.encodePacked("rewards.pool.claim.contract.registered.time", "rocketClaimNode", msg.sender)), block.timestamp);
        // Update count
        rocketNetworkSnapshots.push(keccak256(abi.encodePacked("node.count")), uint224(addressSetStorage.getCount(nodeIndexKey)));
        // Default voting delegate to themself
        rocketNetworkSnapshots.push(keccak256(abi.encodePacked("node.delegate", msg.sender)), uint224(uint160(msg.sender)));
        // Emit node registered event
        emit NodeRegistered(msg.sender, block.timestamp);
    }

    /// @notice Gets the timestamp of when a node was registered
    function getNodeRegistrationTime(address _nodeAddress) onlyRegisteredNode(_nodeAddress) override public view returns (uint256) {
        return getUint(keccak256(abi.encodePacked("rewards.pool.claim.contract.registered.time", "rocketClaimNode", _nodeAddress)));
    }

    /// @notice Set a node's timezone location
    function setTimezoneLocation(string calldata _timezoneLocation) override external onlyLatestContract("rocketNodeManager", address(this)) onlyRegisteredNode(msg.sender) {
        // Check timezone location
        require(bytes(_timezoneLocation).length >= 4, "The timezone location is invalid");
        // Set timezone location
        setString(keccak256(abi.encodePacked("node.timezone.location", msg.sender)), _timezoneLocation);
        // Emit node timezone location set event
        emit NodeTimezoneLocationSet(msg.sender, block.timestamp);
    }

    /// @notice Returns true if node has initialised their fee distributor contract
    function getFeeDistributorInitialised(address _nodeAddress) override public view returns (bool) {
        // Load contracts
        RocketNodeDistributorFactoryInterface rocketNodeDistributorFactory = RocketNodeDistributorFactoryInterface(getContractAddress("rocketNodeDistributorFactory"));
        // Get distributor address
        address contractAddress = rocketNodeDistributorFactory.getProxyAddress(_nodeAddress);
        // Check if contract exists at that address
        uint32 codeSize;
        assembly {
            codeSize := extcodesize(contractAddress)
        }
        return codeSize > 0;
    }

    /// @notice Node operators created before the distributor was implemented must call this to setup their distributor contract
    function initialiseFeeDistributor() override external onlyLatestContract("rocketNodeManager", address(this)) onlyRegisteredNode(msg.sender) {
        // Prevent multiple calls
        require(!getFeeDistributorInitialised(msg.sender), "Already initialised");
        // Load contracts
        RocketMinipoolManagerInterface rocketMinipoolManager = RocketMinipoolManagerInterface(getContractAddress("rocketMinipoolManager"));
        // Calculate and set current average fee numerator
        uint256 count = rocketMinipoolManager.getNodeMinipoolCount(msg.sender);
        if (count > 0){
            uint256 numerator = 0;
            // Note: this loop is safe as long as all current node operators at the time of upgrade have few enough minipools
            for (uint256 i = 0; i < count; ++i) {
                RocketMinipoolInterface minipool = RocketMinipoolInterface(rocketMinipoolManager.getNodeMinipoolAt(msg.sender, i));
                if (minipool.getStatus() == MinipoolStatus.Staking){
                    numerator = numerator + minipool.getNodeFee();
                }
            }
            setUint(keccak256(abi.encodePacked("node.average.fee.numerator", msg.sender)), numerator);
        }
        // Create the distributor contract
        _initialiseFeeDistributor(msg.sender);
    }

    /// @notice Deploys the fee distributor contract for a given node
    function _initialiseFeeDistributor(address _nodeAddress) internal {
        // Load contracts
        RocketNodeDistributorFactoryInterface rocketNodeDistributorFactory = RocketNodeDistributorFactoryInterface(getContractAddress("rocketNodeDistributorFactory"));
        // Create the distributor proxy
        rocketNodeDistributorFactory.createProxy(_nodeAddress);
    }

    /// @notice Calculates a nodes average node fee
    function getAverageNodeFee(address _nodeAddress) override external view returns (uint256) {
        // Load contracts
        RocketMinipoolManagerInterface rocketMinipoolManager = RocketMinipoolManagerInterface(getContractAddress("rocketMinipoolManager"));
        RocketNodeDepositInterface rocketNodeDeposit = RocketNodeDepositInterface(getContractAddress("rocketNodeDeposit"));
        RocketDAOProtocolSettingsMinipoolInterface rocketDAOProtocolSettingsMinipool = RocketDAOProtocolSettingsMinipoolInterface(getContractAddress("rocketDAOProtocolSettingsMinipool"));
        // Get valid deposit amounts
        uint256[] memory depositSizes = rocketNodeDeposit.getDepositAmounts();
        // Setup memory for calculations
        uint256[] memory depositWeights = new uint256[](depositSizes.length);
        uint256[] memory depositCounts = new uint256[](depositSizes.length);
        uint256 depositWeightTotal;
        uint256 totalCount;
        uint256 launchAmount = rocketDAOProtocolSettingsMinipool.getLaunchBalance();
        // Retrieve the number of staking minipools per deposit size
        for (uint256 i = 0; i < depositSizes.length; ++i) {
            depositCounts[i] = rocketMinipoolManager.getNodeStakingMinipoolCountBySize(_nodeAddress, depositSizes[i]);
            totalCount = totalCount + depositCounts[i];
        }
        if (totalCount == 0) {
            return 0;
        }
        // Calculate the weights of each deposit size
        for (uint256 i = 0; i < depositSizes.length; ++i) {
            depositWeights[i] = (launchAmount - depositSizes[i]) * depositCounts[i];
            depositWeightTotal = depositWeightTotal + depositWeights[i];
        }
        for (uint256 i = 0; i < depositSizes.length; ++i) {
            depositWeights[i] = depositWeights[i] * calcBase / depositWeightTotal;
        }
        // Calculate the weighted average
        uint256 weightedAverage = 0;
        for (uint256 i = 0; i < depositSizes.length; ++i) {
            if (depositCounts[i] > 0) {
                bytes32 numeratorKey;
                if (depositSizes[i] == 16 ether) {
                    numeratorKey = keccak256(abi.encodePacked("node.average.fee.numerator", _nodeAddress));
                } else {
                    numeratorKey = keccak256(abi.encodePacked("node.average.fee.numerator", _nodeAddress, depositSizes[i]));
                }
                uint256 numerator = getUint(numeratorKey);
                weightedAverage = weightedAverage + (numerator * depositWeights[i] / depositCounts[i]);
            }
        }
        return weightedAverage / calcBase;
    }

    /// @notice Designates which network a node would like their rewards relayed to
    function setRewardNetwork(address _nodeAddress, uint256 _network) override external onlyLatestContract("rocketNodeManager", address(this)) {
        // Confirm the transaction is from the node's current withdrawal address
        address withdrawalAddress = rocketStorage.getNodeWithdrawalAddress(_nodeAddress);
        require(withdrawalAddress == msg.sender, "Only a tx from a node's withdrawal address can change reward network");
        // Check network is enabled
        RocketDAONodeTrustedSettingsRewardsInterface rocketDAONodeTrustedSettingsRewards = RocketDAONodeTrustedSettingsRewardsInterface(getContractAddress("rocketDAONodeTrustedSettingsRewards"));
        require(rocketDAONodeTrustedSettingsRewards.getNetworkEnabled(_network), "Network is not enabled");
        // Set the network
        setUint(keccak256(abi.encodePacked("node.reward.network", _nodeAddress)), _network);
        // Emit event
        emit NodeRewardNetworkChanged(_nodeAddress, _network);
    }

    /// @notice Returns which network a node has designated as their desired reward network
    function getRewardNetwork(address _nodeAddress) override public view onlyLatestContract("rocketNodeManager", address(this)) returns (uint256) {
        return getUint(keccak256(abi.encodePacked("node.reward.network", _nodeAddress)));
    }

    /// @notice Allows a node to register or deregister from the smoothing pool
    function setSmoothingPoolRegistrationState(bool _state) override external onlyLatestContract("rocketNodeManager", address(this)) onlyRegisteredNode(msg.sender) {
        // Ensure registration is enabled
        RocketDAOProtocolSettingsNodeInterface daoSettingsNode = RocketDAOProtocolSettingsNodeInterface(getContractAddress("rocketDAOProtocolSettingsNode"));
        require(daoSettingsNode.getSmoothingPoolRegistrationEnabled(), "Smoothing pool registrations are not active");
        // Precompute storage keys
        bytes32 changeKey = keccak256(abi.encodePacked("node.smoothing.pool.changed.time", msg.sender));
        bytes32 stateKey = keccak256(abi.encodePacked("node.smoothing.pool.state", msg.sender));
        // Get from the DAO settings
        RocketDAOProtocolSettingsRewardsInterface daoSettingsRewards = RocketDAOProtocolSettingsRewardsInterface(getContractAddress("rocketDAOProtocolSettingsRewards"));
        uint256 rewardInterval = daoSettingsRewards.getRewardsClaimIntervalTime();
        // Ensure node operator has waited the required time
        uint256 lastChange = getUint(changeKey);
        require(block.timestamp >= lastChange + rewardInterval, "Not enough time has passed since changing state");
        // Ensure state is actually changing
        require(getBool(stateKey) != _state, "Invalid state change");
        // Update registration state
        setUint(changeKey, block.timestamp);
        setBool(stateKey, _state);
        // Emit state change event
        emit NodeSmoothingPoolStateChanged(msg.sender, _state);
    }

    /// @notice Returns whether a node is registered or not from the smoothing pool
    function getSmoothingPoolRegistrationState(address _nodeAddress) override public view returns (bool) {
        return getBool(keccak256(abi.encodePacked("node.smoothing.pool.state", _nodeAddress)));
    }

    /// @notice Returns the timestamp of when the node last changed their smoothing pool registration state
    function getSmoothingPoolRegistrationChanged(address _nodeAddress) override external view returns (uint256) {
        return getUint(keccak256(abi.encodePacked("node.smoothing.pool.changed.time", _nodeAddress)));
    }

    /// @notice Returns the sum of nodes that are registered for the smoothing pool between _offset and (_offset + _limit)
    function getSmoothingPoolRegisteredNodeCount(uint256 _offset, uint256 _limit) override external view returns (uint256) {
        // Get contracts
        AddressSetStorageInterface addressSetStorage = AddressSetStorageInterface(getContractAddress("addressSetStorage"));
        // Precompute node key
        bytes32 nodeKey = keccak256(abi.encodePacked("nodes.index"));
        // Iterate over the requested minipool range
        uint256 totalNodes = getNodeCount();
        uint256 max = _offset + _limit;
        if (max > totalNodes || _limit == 0) { max = totalNodes; }
        uint256 count = 0;
        for (uint256 i = _offset; i < max; ++i) {
            address nodeAddress = addressSetStorage.getItem(nodeKey, i);
            if (getSmoothingPoolRegistrationState(nodeAddress)) {
                count++;
            }
        }
        return count;
    }

    /// @notice Convenience function to return all on-chain details about a given node
    /// @param _nodeAddress Address of the node to query details for
    function getNodeDetails(address _nodeAddress) override public view returns (NodeDetails memory nodeDetails) {
        // Get contracts
        RocketNodeStakingInterface rocketNodeStaking = RocketNodeStakingInterface(getContractAddress("rocketNodeStaking"));
        RocketNodeDepositInterface rocketNodeDeposit = RocketNodeDepositInterface(getContractAddress("rocketNodeDeposit"));
        RocketNodeDistributorFactoryInterface rocketNodeDistributorFactory = RocketNodeDistributorFactoryInterface(getContractAddress("rocketNodeDistributorFactory"));
        RocketMinipoolManagerInterface rocketMinipoolManager = RocketMinipoolManagerInterface(getContractAddress("rocketMinipoolManager"));
        IERC20 rocketTokenRETH = IERC20(getContractAddress("rocketTokenRETH"));
        IERC20 rocketTokenRPL = IERC20(getContractAddress("rocketTokenRPL"));
        IERC20 rocketTokenRPLFixedSupply = IERC20(getContractAddress("rocketTokenRPLFixedSupply"));
        // Node details
        nodeDetails.nodeAddress = _nodeAddress;
        nodeDetails.withdrawalAddress = rocketStorage.getNodeWithdrawalAddress(_nodeAddress);
        nodeDetails.pendingWithdrawalAddress = rocketStorage.getNodePendingWithdrawalAddress(_nodeAddress);
        nodeDetails.exists = getNodeExists(_nodeAddress);
        nodeDetails.registrationTime = getNodeRegistrationTime(_nodeAddress);
        nodeDetails.timezoneLocation = getNodeTimezoneLocation(_nodeAddress);
        nodeDetails.feeDistributorInitialised = getFeeDistributorInitialised(_nodeAddress);
        nodeDetails.rewardNetwork = getRewardNetwork(_nodeAddress);
        // Staking details
        nodeDetails.rplStake = rocketNodeStaking.getNodeRPLStake(_nodeAddress);
        nodeDetails.effectiveRPLStake = rocketNodeStaking.getNodeEffectiveRPLStake(_nodeAddress);
        nodeDetails.minimumRPLStake = rocketNodeStaking.getNodeMinimumRPLStake(_nodeAddress);
        nodeDetails.maximumRPLStake = rocketNodeStaking.getNodeMaximumRPLStake(_nodeAddress);
        nodeDetails.ethMatched = rocketNodeStaking.getNodeETHMatched(_nodeAddress);
        nodeDetails.ethMatchedLimit = rocketNodeStaking.getNodeETHMatchedLimit(_nodeAddress);
        // Distributor details
        nodeDetails.feeDistributorAddress = rocketNodeDistributorFactory.getProxyAddress(_nodeAddress);
        uint256 distributorBalance = nodeDetails.feeDistributorAddress.balance;
        RocketNodeDistributorInterface distributor = RocketNodeDistributorInterface(nodeDetails.feeDistributorAddress);
        nodeDetails.distributorBalanceNodeETH = distributor.getNodeShare();
        nodeDetails.distributorBalanceUserETH = distributorBalance - nodeDetails.distributorBalanceNodeETH;
        // Minipool details
        nodeDetails.minipoolCount = rocketMinipoolManager.getNodeMinipoolCount(_nodeAddress);
        // Balance details
        nodeDetails.balanceETH = _nodeAddress.balance;
        nodeDetails.balanceRETH = rocketTokenRETH.balanceOf(_nodeAddress);
        nodeDetails.balanceRPL = rocketTokenRPL.balanceOf(_nodeAddress);
        nodeDetails.balanceOldRPL = rocketTokenRPLFixedSupply.balanceOf(_nodeAddress);
        nodeDetails.depositCreditBalance = rocketNodeDeposit.getNodeDepositCredit(_nodeAddress);
        // Return
        return nodeDetails;
    }

    /// @notice Returns a slice of the node operator address set
    /// @param _offset The starting point into the slice
    /// @param _limit The maximum number of results to return
    function getNodeAddresses(uint256 _offset, uint256 _limit) override external view returns (address[] memory) {
        // Get contracts
        AddressSetStorageInterface addressSetStorage = AddressSetStorageInterface(getContractAddress("addressSetStorage"));
        // Precompute node key
        bytes32 nodeKey = keccak256(abi.encodePacked("nodes.index"));
        // Iterate over the requested minipool range
        uint256 totalNodes = getNodeCount();
        uint256 max = _offset + _limit;
        if (max > totalNodes || _limit == 0) { max = totalNodes; }
        // Create array big enough for every minipool
        address[] memory nodes = new address[](max - _offset);
        uint256 total = 0;
        for (uint256 i = _offset; i < max; ++i) {
            nodes[total] = addressSetStorage.getItem(nodeKey, i);
            total++;
        }
        // Dirty hack to cut unused elements off end of return value
        assembly {
            mstore(nodes, total)
        }
        return nodes;
    }
}

/**
   *       .
   *      / \
   *     |.'.|
   *     |'.'|
   *   ,'|   |'.
   *  |,-'-|-'-.|
   *   __|_| |         _        _      _____           _
   *  | ___ \|        | |      | |    | ___ \         | |
   *  | |_/ /|__   ___| | _____| |_   | |_/ /__   ___ | |
   *  |    // _ \ / __| |/ / _ \ __|  |  __/ _ \ / _ \| |
   *  | |\ \ (_) | (__|   <  __/ |_   | | | (_) | (_) | |
   *  \_| \_\___/ \___|_|\_\___|\__|  \_|  \___/ \___/|_|
   * +---------------------------------------------------+
   * |    DECENTRALISED STAKING PROTOCOL FOR ETHEREUM    |
   * +---------------------------------------------------+
   *
   *  Rocket Pool is a first-of-its-kind Ethereum staking pool protocol, designed to
   *  be community-owned, decentralised, permissionless, & trustless.
   *
   *  For more information about Rocket Pool, visit https://rocketpool.net
   *
   *  Authored by the Rocket Pool Core Team
   *  Contributors: https://github.com/rocket-pool/rocketpool/graphs/contributors
   *  A special thanks to the Rocket Pool community for all their contributions.
   *
   */

// SPDX-License-Identifier: GPL-3.0-only
pragma solidity >0.5.0 <0.9.0;
pragma abicoder v2;

import "../../types/NodeDetails.sol";

interface RocketNodeManagerInterface {

    // Structs
    struct TimezoneCount {
        string timezone;
        uint256 count;
    }

    function getNodeCount() external view returns (uint256);
    function getNodeCountPerTimezone(uint256 offset, uint256 limit) external view returns (TimezoneCount[] memory);
    function getNodeAt(uint256 _index) external view returns (address);
    function getNodeExists(address _nodeAddress) external view returns (bool);
    function getNodeWithdrawalAddress(address _nodeAddress) external view returns (address);
    function getNodePendingWithdrawalAddress(address _nodeAddress) external view returns (address);
    function getNodeRPLWithdrawalAddress(address _nodeAddress) external view returns (address);
    function getNodeRPLWithdrawalAddressIsSet(address _nodeAddress) external view returns (bool);
    function unsetRPLWithdrawalAddress(address _nodeAddress) external;
    function setRPLWithdrawalAddress(address _nodeAddress, address _newRPLWithdrawalAddress, bool _confirm) external;
    function confirmRPLWithdrawalAddress(address _nodeAddress) external;
    function getNodePendingRPLWithdrawalAddress(address _nodeAddress) external view returns (address);
    function getNodeTimezoneLocation(address _nodeAddress) external view returns (string memory);
    function registerNode(string calldata _timezoneLocation) external;
    function getNodeRegistrationTime(address _nodeAddress) external view returns (uint256);
    function setTimezoneLocation(string calldata _timezoneLocation) external;
    function setRewardNetwork(address _nodeAddress, uint256 network) external;
    function getRewardNetwork(address _nodeAddress) external view returns (uint256);
    function getFeeDistributorInitialised(address _nodeAddress) external view returns (bool);
    function initialiseFeeDistributor() external;
    function getAverageNodeFee(address _nodeAddress) external view returns (uint256);
    function setSmoothingPoolRegistrationState(bool _state) external;
    function getSmoothingPoolRegistrationState(address _nodeAddress) external returns (bool);
    function getSmoothingPoolRegistrationChanged(address _nodeAddress) external returns (uint256);
    function getSmoothingPoolRegisteredNodeCount(uint256 _offset, uint256 _limit) external view returns (uint256);
    function getNodeDetails(address _nodeAddress) external view returns (NodeDetails memory);
    function getNodeAddresses(uint256 _offset, uint256 _limit) external view returns (address[] memory);
}

/**
   *       .
   *      / \
   *     |.'.|
   *     |'.'|
   *   ,'|   |'.
   *  |,-'-|-'-.|
   *   __|_| |         _        _      _____           _
   *  | ___ \|        | |      | |    | ___ \         | |
   *  | |_/ /|__   ___| | _____| |_   | |_/ /__   ___ | |
   *  |    // _ \ / __| |/ / _ \ __|  |  __/ _ \ / _ \| |
   *  | |\ \ (_) | (__|   <  __/ |_   | | | (_) | (_) | |
   *  \_| \_\___/ \___|_|\_\___|\__|  \_|  \___/ \___/|_|
   * +---------------------------------------------------+
   * |    DECENTRALISED STAKING PROTOCOL FOR ETHEREUM    |
   * +---------------------------------------------------+
   *
   *  Rocket Pool is a first-of-its-kind Ethereum staking pool protocol, designed to
   *  be community-owned, decentralised, permissionless, & trustless.
   *
   *  For more information about Rocket Pool, visit https://rocketpool.net
   *
   *  Authored by the Rocket Pool Core Team
   *  Contributors: https://github.com/rocket-pool/rocketpool/graphs/contributors
   *  A special thanks to the Rocket Pool community for all their contributions.
   *
   */

// SPDX-License-Identifier: GPL-3.0-only
pragma solidity >0.5.0 <0.9.0;

interface RocketNodeStakingInterface {
    function getTotalRPLStake() external view returns (uint256);
    function getNodeRPLStake(address _nodeAddress) external view returns (uint256);
    function getNodeETHMatched(address _nodeAddress) external view returns (uint256);
    function getNodeETHProvided(address _nodeAddress) external view returns (uint256);
    function getNodeETHCollateralisationRatio(address _nodeAddress) external view returns (uint256);
    function getNodeRPLStakedTime(address _nodeAddress) external view returns (uint256);
    function getNodeEffectiveRPLStake(address _nodeAddress) external view returns (uint256);
    function getNodeMinimumRPLStake(address _nodeAddress) external view returns (uint256);
    function getNodeMaximumRPLStake(address _nodeAddress) external view returns (uint256);
    function getNodeETHMatchedLimit(address _nodeAddress) external view returns (uint256);
    function getRPLLockingAllowed(address _nodeAddress) external view returns (bool);
    function stakeRPL(uint256 _amount) external;
    function stakeRPLFor(address _nodeAddress, uint256 _amount) external;
    function setRPLLockingAllowed(address _nodeAddress, bool _allowed) external;
    function setStakeRPLForAllowed(address _caller, bool _allowed) external;
    function setStakeRPLForAllowed(address _nodeAddress, address _caller, bool _allowed) external;
    function getNodeRPLLocked(address _nodeAddress) external view returns (uint256);
    function lockRPL(address _nodeAddress, uint256 _amount) external;
    function unlockRPL(address _nodeAddress, uint256 _amount) external;
    function transferRPL(address _from, address _to, uint256 _amount) external;
    function withdrawRPL(uint256 _amount) external;
    function withdrawRPL(address _nodeAddress, uint256 _amount) external;
    function slashRPL(address _nodeAddress, uint256 _ethSlashAmount) external;
}

/**
   *       .
   *      / \
   *     |.'.|
   *     |'.'|
   *   ,'|   |'.
   *  |,-'-|-'-.|
   *   __|_| |         _        _      _____           _
   *  | ___ \|        | |      | |    | ___ \         | |
   *  | |_/ /|__   ___| | _____| |_   | |_/ /__   ___ | |
   *  |    // _ \ / __| |/ / _ \ __|  |  __/ _ \ / _ \| |
   *  | |\ \ (_) | (__|   <  __/ |_   | | | (_) | (_) | |
   *  \_| \_\___/ \___|_|\_\___|\__|  \_|  \___/ \___/|_|
   * +---------------------------------------------------+
   * |    DECENTRALISED STAKING PROTOCOL FOR ETHEREUM    |
   * +---------------------------------------------------+
   *
   *  Rocket Pool is a first-of-its-kind Ethereum staking pool protocol, designed to
   *  be community-owned, decentralised, permissionless, & trustless.
   *
   *  For more information about Rocket Pool, visit https://rocketpool.net
   *
   *  Authored by the Rocket Pool Core Team
   *  Contributors: https://github.com/rocket-pool/rocketpool/graphs/contributors
   *  A special thanks to the Rocket Pool community for all their contributions.
   *
   */

pragma solidity >0.5.0 <0.9.0;

// SPDX-License-Identifier: GPL-3.0-only

interface RocketStorageInterface {

    // Deploy status
    function getDeployedStatus() external view returns (bool);

    // Guardian
    function getGuardian() external view returns(address);
    function setGuardian(address _newAddress) external;
    function confirmGuardian() external;

    // Getters
    function getAddress(bytes32 _key) external view returns (address);
    function getUint(bytes32 _key) external view returns (uint);
    function getString(bytes32 _key) external view returns (string memory);
    function getBytes(bytes32 _key) external view returns (bytes memory);
    function getBool(bytes32 _key) external view returns (bool);
    function getInt(bytes32 _key) external view returns (int);
    function getBytes32(bytes32 _key) external view returns (bytes32);

    // Setters
    function setAddress(bytes32 _key, address _value) external;
    function setUint(bytes32 _key, uint _value) external;
    function setString(bytes32 _key, string calldata _value) external;
    function setBytes(bytes32 _key, bytes calldata _value) external;
    function setBool(bytes32 _key, bool _value) external;
    function setInt(bytes32 _key, int _value) external;
    function setBytes32(bytes32 _key, bytes32 _value) external;

    // Deleters
    function deleteAddress(bytes32 _key) external;
    function deleteUint(bytes32 _key) external;
    function deleteString(bytes32 _key) external;
    function deleteBytes(bytes32 _key) external;
    function deleteBool(bytes32 _key) external;
    function deleteInt(bytes32 _key) external;
    function deleteBytes32(bytes32 _key) external;

    // Arithmetic
    function addUint(bytes32 _key, uint256 _amount) external;
    function subUint(bytes32 _key, uint256 _amount) external;

    // Protected storage
    function getNodeWithdrawalAddress(address _nodeAddress) external view returns (address);
    function getNodePendingWithdrawalAddress(address _nodeAddress) external view returns (address);
    function setWithdrawalAddress(address _nodeAddress, address _newWithdrawalAddress, bool _confirm) external;
    function confirmWithdrawalAddress(address _nodeAddress) external;
}

{
  "compilationTarget": {
    "contracts/contract/node/RocketNodeManager.sol": "RocketNodeManager"
  },
  "evmVersion": "paris",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "ipfs"
  },
  "optimizer": {
    "enabled": true,
    "runs": 15000
  },
  "remappings": []
}